Compare Glucotrol vs. Janumet

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Glucotrol
(glipizide)

Janumet
(sitagliptin / metformin)

Lowers blood sugar. Glucotrol (Glipizide) is a very effective oral blood sugar-lowering medicine. It can cause low blood sugar, so make sure you know what the symptoms are and always have a source of sugar nearby.Lowers blood sugar. Janumet is an expensive but very effective combination of oral blood sugar-lowering medicines.
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Reviews & ratings
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4.29Glucotrol
Reviews for Glucotrol (glipizide)
50%
of people (All ages) say Glucotrol (glipizide) is worth it
32%
say it works well
19%
say it's a big hassle
332 reviews
Have you used Glucotrol (glipizide)?
Worth itNot sureNot worth it
Reviews for Janumet (sitagliptin / metformin)
46%
-4% worse vs. Glucotrol (glipizide)
38%
+6% better vs. Glucotrol (glipizide)
15%
+4% better vs. Glucotrol (glipizide)
Have you used Janumet (sitagliptin / metformin)?
Worth itNot sureNot worth it
Side effects
GlucotrolJanumet
  • Dizziness 1%
  • Diarrhea 5%
  • Nervousness 1%
  • Tremor 4%
  • Passing gas 2%
  • Drowsiness 2%
More Glucotrol side effects »
  • Diarrhea 4%
  • Ear, nose, or throat infection 1%
  • Headache 3%
  • Nausea 4%
  • Abdominal pain 1%
  • Vomiting 2%
More Janumet side effects »
How it works
GlucotrolJanumet
Glucotrol (Glipizide) is an anti-diabetic drug. It stimulates your body to make more insulin to lower blood sugar.Janumet is an antidiabetic combination medicine. Metformin lowers the amount of sugar your body produces, and sitagliptin helps your body release more insulin.
Type of medication
GlucotrolJanumet
Prescription only
Prescription only
Available as
GlucotrolJanumet
  • Pill
  • Extended release
  • Pill
  • Extended release
Used for
GlucotrolJanumet
Risk factors for serious side effects
GlucotrolJanumet
    • Use of other blood sugar lowering medicines
    • Alcohol
    • Intense physical activity
    • History of sulfa allergies
    Detailed Glucotrol (glipizide) risks & warnings »
    • Kidney problems
    • Liver problems
    • Congestive heart failure
    • Contrast dye for procedure
    • Surgery
    • Alcohol use
          Detailed Janumet (sitagliptin / metformin) risks & warnings »
          Pregnancy

          Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

          Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

          Alcohol
          GlucotrolJanumet
          • Avoid drinking alcohol.
          No alcohol related info.
          Food
          GlucotrolJanumet
          • Food can cause unpredictable effects of the immediate-release version of Glipizide, so you have to take it at least 30 minutes before a meal.
          • Eat regular, balanced meals to avoid low blood sugar.
          • Take it with food to avoid upset stomach with diarrhea, nausea, and vomiting.
          Kidneys and liver
          GlucotrolJanumet
          • Might be a better choice for people with kidney problems compared to similar drugs because Glipizide isn't processed by the kidneys.
          • People with poor kidney function can't use it.
          • Janumet (Sitagliptin / Metformin) can cause this rare but life-threatening condition. Symptoms include deep and rapid breathing, nausea, vomiting, and stomach pain. This is a medical emergency and you should get help right away. Baseline blood work for kidney and liver function are helpful to see if you can use Janumet (Sitagliptin / Metformin). It may not be a good choice for people with kidney problems. Janumet (Sitagliptin / Metformin) should be stopped 48 hours before and/or after surgery or any imaging procedure needing contrast dye.
          Weight
          GlucotrolJanumet
          • Can cause mild weight gain (2 to 3 pounds).
          • Can cause weight gain, dizziness, or stomach upset.
          • Doesn't cause weight gain or low blood sugar.
          Upsides and benefits
          GlucotrolJanumet
          • Oral blood sugar-lowering medicine.
          • Lowers A1c levels by 1-2%. (Hemoglobin A1c measures your average blood sugar over time.)
          • Prevents the harmful effects of high sugar levels on your organs and blood vessels.
          • Might be a better choice for people with kidney problems compared to similar drugs because Glipizide isn't processed by the kidneys.
          • One of the least expensive diabetes medicines.
          • 2-in-1 combination medicine. If you need more than one blood sugar medicine, this lowers the number of pills you have to take.
          • Lowers A1c levels by 1-2.5%. (Hemoglobin A1c measures your average blood sugar over time.)
          • Prevents the harmful effects of high sugar levels on your organs and blood vessels.
          • Doesn't cause weight gain or low blood sugar.
          • You don't have to check your blood sugar every day with this medicine.
          Downsides and risks
          GlucotrolJanumet
          • Higher risk of low blood sugar episodes than other kinds of oral diabetes medicines.
          • You have to check your blood sugar 2 to 5 times a week (less often once you are on a stable dose).
          • Can cause mild weight gain (2 to 3 pounds).
          • Loses effectiveness over time or as your body stops making insulin.
          • Food can cause unpredictable effects of the immediate-release version of Glipizide, so you have to take it at least 30 minutes before a meal.
          • Likely expensive since there's no generic version available.
          • The metformin part of Janumet can cause nausea, indigestion, or diarrhea for most people in the first few weeks.
          • People with poor kidney function can't use it.
          • The sitagliptin part of Janumet can cause some people to have frequent throat infections or nasal congestion.
          • Might raise the risk of problems with your pancreas.
          Tips from our pharmacists for people taking the medication
          GlucotrolJanumet
          • Works best if you take it 30 minutes before a meal, usually your first big meal of the day.
          • Can cause weight gain, dizziness, or stomach upset.
          • Avoid drinking alcohol.
          • Eat regular, balanced meals to avoid low blood sugar.
          • Check your blood sugar regularly.
          • Take it with food to avoid upset stomach with diarrhea, nausea, and vomiting.
          • May cause headaches and cold-like symptoms.
          • Tell your doctor about any deep or rapid breathing, or persistent nausea, vomiting, and stomach pain.
          • Can be expensive depending on insurance coverage.
          • Check your blood sugar regularly.
          Learn more
          More about GlucotrolSide effectsReviews & ratingsAlternativesFDA package insert
          Have you used Glucotrol (glipizide)?
          Worth itNot sureNot worth it
          More about JanumetSide effectsReviews & ratingsAlternativesFDA package insert
          Have you used Janumet (sitagliptin / metformin)?
          Worth itNot sureNot worth it